Blade Runner Redux - Tesla Cybertruck!

[Xist]

I watched as much as I could tolerate.

[aerostealth]

Converting Brake Specific Fuel Consumption in Pounds of Fuel per
Horsepower Hour into Watt Hours per Horsepower Hour
A tale of two vehicles, one electric with a rated BSFC of 0.15 lbs. of fuel-e per HP Hour, and a gasoline engine with a BSFC rated at 0.45 lbs. of fuel per HP Hour. This is a good metric and a dramatic way of expressing the comparative efficiency of these two drive trains but unfortunately we are still looking at the world through fossil fuel colored glasses and we are in need of a better metric to express these values.
A gallon of gasoline contains 32,777 watt hours of energy so all we need to do is use this metric to convert both vehicle drive trains to watt hours per horsepower hour and we will have a metric that looks at the world through electric vehicle colored glasses instead. On the plus side it will be a more direct way of computing and of looking at the new world we are now entering.
There are six pounds in a gallon of gasoline (E-85 unleaded with ethanol) this means there are.
32,777/6 = 5,462.8 watt hours per pound of gasoline.
BSFC = 0.15 lbs. x 5,462.8 = 819.42 watt hours per HP Hour for our electric vehicle.
32,777/6 = 5,462.8 watt hours per pound of gasoline.
BSFC = 0.45 lbs. x 5,462.8 = 2,458.27 watt hours per HP Hour for our gas powered vehicle
This new metric was included in my new blog titled Electric Vehicle Energy Conversions and I felt it was in need of explanation as not everyone might have made the conjectural leap of understanding how I arrived at these figures.
I think it is important as we enter this new age of electric drive to stop thinking in terms of gallons of gas, pounds of fuel, or pounds of fuel equivalent. We could use the term pounds of fuel equivalent but this is an abstractions. Watt hours per Horsepower Hours is not an abstraction for either a gas or electric car in this instance since one Horsepower is by definition 747 watts and a Horsepower Hour is by definition 747 watt hours.

[Hersbird]

Originally Posted by redpoint5

Well as I said, it depends on if that added work is fighting aero drag, or if it's merely hauling weight around.

Double the weight of the CT but put all of it inside the vehicle, and you'd hardly notice any drop in range. Very little is wasted going down steep grades or otherwise slowing down.

On the highway, cargo completely enclosed inside isn't going to affect gas, diesel, or EV significantly .
There are downhill roads that even with max regen braking are going to require either nauseatingly slow speeds or actual friction brake applications. We have a lot of passes here that have nice long straight downhills, followed by 25 mph hairpins, followed by nice long straight sections. You could probably just hold 30 mph on the whole thing but you usually let it pick back up some speed. TFLcar has been doing some EV testing up and down Loveland pass in Colorado from 5000 ft Boulder to 12,000 foot summit and they still don't gain much if any battery back onnthe downhill. They also run climate control and maintain speed limits and such to try and make it what a normal person might expect. They have only done the Kona and the Golf but they have a Model X too, I just haven't seen that episode. The Golf actually couldn't make it without a mid charge, but the Kona did it no sweat with 120 miles of range left.

[redpoint5]

Originally Posted by Hersbird

On the highway, cargo completely enclosed inside isn't going to affect gas, diesel, or EV significantly .
There are downhill roads that even with max regen braking are going to require either nauseatingly slow speeds or actual friction brake applications. We have a lot of passes here that have nice long straight downhills, followed by 25 mph hairpins, followed by nice long straight sections. You could probably just hold 30 mph on the whole thing but you usually let it pick back up some speed. TFLcar has been doing some EV testing up and down Loveland pass in Colorado from 5000 ft Boulder to 12,000 foot summit and they still don't gain much if any battery back onnthe downhill. They also run climate control and maintain speed limits and such to try and make it what a normal person might expect. They have only done the Kona and the Golf but they have a Model X too, I just haven't seen that episode. The Golf actually couldn't make it without a mid charge, but the Kona did it no sweat with 120 miles of range left.

Well you got my point, that the elevation change doesn't really affect range.

Certain perfectly graded hills can increase ICE MPGs simply because it's in an efficient load going uphill, and can coast back down the other side with no use of brakes.

A loaded EV could certainly be way more efficient on steep and long descents. I gained back the full 3kWh coming down from Yosemite in the Prius and had to engine brake / friction brake to bleed off the rest of the elevation loss. Did the same thing coming down from Crater Lake. None of that is lost in an EV except for the relatively low conversion loss. I expect a loaded truck would greatly benefit by having the ability to recover that energy.

[redneck]

.

Tug of war.

And evidently poor driver visibility...

https://www.independent.co.uk/life-s...-a9238921.html




>

[Hersbird]

Originally Posted by redneck

.

Tug of war.

And evidently poor driver visibility...

https://www.independent.co.uk/life-s...-a9238921.html




>

That actually is a crime. Both leaving the scene, failure to report an accident, and destruction of private or public property depending on who owns the posts. I wonder if he was under the influence and just wanted to get out of there.

My son I law last month while going 25 mph hit some black ice and tore up some of that old dangerous cable guard rail on a remote mountain pass with no cell service. He went along his already bruised way but the highway patrol called his wife before he could even get to the next town to report it because it tore off the front plate. They nailed him with a $350 leaving the accident instead of freezing to death in the blizzard and then another $1200 to replace a strand of cable on the rail they shouldn't even be using anymore. The car has probably $3000 worth of damage but isn't hardly worth $1000 so we just put a new headlight in it and banged the fender out a bit.

Disabled vet gets to pay the $1500 but I bet the billionaire doesn't pay a dime.

Edit I see now he just hit a cone so disregard...
I thought the headline meant a cement post.

[redpoint5]

Well it looked knocked over, not destroyed. Would have been the right thing to pick it back up.

I sent a Bronco into the wires, or more like the kid drove into them after being startled by me hitting is car. I managed to do a 360 and maintain the lane(s) I was in. Had to swerve to avoid a guy driving at night with no lights on and lost the gamble that nobody was beside me. Was driving way too fast in the rain, and blinded by the spray of a tractor trailer. Insurance paid for the 14 posts the Bronco destroyed, as well as a new bumper for his truck.

That's how I got the crumpled rear quarter in this photo:

[Hersbird]

My son does have liability so hopefully it will pay the state without a hike in rates.

[NeilBlanchard]

Sandy Munro on the Tesla CYBRTRK:

https://www.youtube.com/watch?v=koNaFUuIjk4

[freebeard]

01:21 ...when I saw the
01:24 pictures the next day basically actually
01:30 one of my guys pulled me up and said hey
01:31 did you open your computer and have a
01:32 look see what you think I owned it up he
01:35 says what do you think I said did we put
01:37 in orders yes okay good that was that
01:40 was a that was the limit of the
01:41 conversation...

I know some don't like cleantehnica, but I didn't know who Sandy Munro is.

cleantechnica.com/.../sandy-munro-talks-cybertruck-exoskeleton-spacex-more/

All that flat metal is like a blank canvas:

http://g04.a.alicdn.com/kf/HTB1Z8sIH...l-art-home.jpg


http://st.lowrider.com/uploads/sites...-bumper-05.jpg